Readings on: The second law–– entropy, the arrow of time
Bronowski, Jacob "The Arrow of Time" [excerpt – 250 words] — disorder as an indicator of time
Golden, Richard "The 2nd Law of Thermodynamics and Entropy" [660 words] — five statements of the law
Schrodinger, Erwin What Is Life? [abridged–1700 words] [abstract– 230 words] — organisms maintain orderliness and delay the inevitable increase in entropy